# Mechanical (HVAC) permit G421777 at 72 Washington St, Boston

Boston Inspectional Services Department permit G421777: issued Oct 29, 2014 for mechanical (hvac) work at 72 Washington St. Converting from oil to gas.

- Permit number: G421777
- Issued: Oct 29, 2014
- Type of work: Mechanical (HVAC) (city: Industrial Boiler, Gas Permit)
- Status: Finished (city: Closed)
- Reported cost: $800
- ZIP code: 02136
- All permits at this address: https://nearbypermits.com/boston/address/72-washington-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-06 12:21 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 72 Washington St: https://nearbypermits.com/boston/address/72-washington-st/